Lower back pain is a common occurrence and can be painful to the point of temporary disability or just a nagging pain. Either way, which is the most effective in home treatment of lower back pain, heat or ice? Well, it depends on what is causing the back pain. Generally speaking, icing any part of the body decreases pain by numbing the nerves and interfering with the pain signal. Good so far; except when the pain is the dreaded spasm or muscle knot. Icing may diminish the pain, but generally does not feel good and can tighten the muscle causing...